Home / 13,506.18-20,259.24-4,743.60

Finding the Fourth Proportional to 13,506.18, 20,259.24 and 4,743.60

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Solution

The fourth proportional to 13,506.18, 20,259.24 and 4,743.60 is: 7,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.18 : 20,259.24 = 4,743.60 : x
  2. Step 2: Convert to fraction form
    13,506.18/20,259.24 = 4,743.60/x
  3. Step 3: Cross multiply
    13,506.18x = 20,259.24 × 4,743.60
  4. Step 4: Simplify right side
    13,506.18x = 96,101,730.86
  5. Step 5: Solve for x
    x = 96,101,730.86/13,506.18
  6. Step 6: Final answer
    x = 7,115.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.